METHOD OF MAKING A SPIRALLY-WOUND TUBE - Patent 1237708

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EP 1 237 708 A1

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(43)	Date of publication:
	11.09.2002 Bulletin 2002/37

(21)	Application number: 00972935.1

(22)	Date of filing: 27.10.2000

(51)	International Patent Classification (IPC)⁷: B29C 53/64, B29C 53/78

(86)	International application number:
	PCT/FI0000/936

(87)	International publication number:
	WO 0103/2401 (10.05.2001 Gazette 2001/19)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

03.11.1999 FI 992373

(71)	Applicant: Oy KWH Pipe AB
	65370 Vasa (FI)

(72)	Inventors:
	TAKALA, Seppo PL-97-400 Belchatow (PL) WARCHOLINSKI, Marek PL-97-400 Belchatow (PL)

(74)	Representative: Eriksson, Svante Johan Christer et al
	Oy Jalo Ant-Wuorinen AbIso Roobertinkatu 4-6 A 00120 Helsinki 00120 Helsinki (FI)

(54)	METHOD OF MAKING A SPIRALLY-WOUND TUBE